関連ワード:  python find first occurrence of char in string    python find first instance of char in string    check first occurrence of character in string python    python find first index of char in string    python find first index of character in string    python find first char in string    python find first position of character in string    python find first alphanumeric character in string    python find first numeric character in string    python find first alphabetic character in string  
結果 : python find first occurrence of char in string